#include<stdio.h>
struct student
{int num;
char name[20];
float score;
};
int main()
    {
struct student stu[5]={{10101,"zhang",78},{10103 ,"Wang",98.5},{10106,"li",86},{10108
,"ling",73.5},{10110,"sun",100}
    };
    struct student temp;
    const int n=5;
    int i,j,k;
printf("The order is:\n");
for (i=0;i<n-1;i++)
    {k=i;
for (j=i+1;j<n;j++)
if (stu[j].score>stu[k].score)
k=j;
temp =stu[k];stu[k]=stu[i];stu[i]=temp;
    }
    for (i=0;i<n-1;i++)
    printf("%6d %8s %6.2f\n",stu[i].num,stu[i].name,stu[i].score);
    printf("\n");
return 0;
}

